code: def minimum(x1, x2):
      """Element-wise minimum of input variables.
  
      Args:
          x1 (:class:`~chainer.Variable` or :ref:`ndarray`):
              Input variables to be compared.
          x2 (:class:`~chainer.Variable` or :ref:`ndarray`):
              Input variables to be compared.
  
      Returns:
          ~chainer.Variable: Output variable.
      """
      return Minimum().apply((x1, x2))[0]
  
file_path: chainer/chainer/functions/math/minimum.py
imports: from chainer import backend
  from chainer.backends import cuda
  from chainer import function_node
  import chainer.functions
  from chainer import utils
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling a global function with example usage: minimum(x1, x2) and returns: Minimum